Lt. Col. Robert W. Green takes command of the U.S. Army Corps of Engineers Nashville District from Lt. Col. Joe M. Sahl June 16, 2023, during a change of command ceremony at the Tennessee Joint Forces Headquarters Armory in Nashville, Tennessee. Green becomes the 68th commander of the “twin rivers” district and responsible for managing the water resources development and navigable waterways operations for the Cumberland and Tennessee River basins covering 59,000 square miles, with 42 field offices touching seven states and a work force of over 750 employees. Brig. Gen. Kimberly A. Peeples, Great Lakes and Ohio River Division commander, is officiating the change of command.